curl --request POST \
  --url https://api.iotools.cloud/v1/tool/cgpa-to-percentage-converter \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "cgpa": "8.5",
  "scale": "10",
  "formula10": "standard",
  "customMultiplier": "9.5"
}
'

{
  "tool": "cgpa-to-percentage-converter",
  "tool_version": "1.0.2",
  "outputs": {
    "summary": "CGPA 8.5 (10-point, CBSE / Standard (× 9.5)) → 80.75% — Distinction",
    "comparison": [
      {
        "formula": "CBSE / Standard (× 9.5) (selected)",
        "percentage": "80.75"
      },
      {
        "formula": "Simple (× 10)",
        "percentage": "85"
      },
      {
        "formula": "VTU ((CGPA − 0.75) × 10)",
        "percentage": "77.5"
      },
      {
        "formula": "Mumbai University (7.1 × CGPA + 11)",
        "percentage": "71.35"
      },
      {
        "formula": "GTU ((CGPA − 0.5) × 10)",
        "percentage": "80"
      },
      {
        "formula": "Custom (× multiplier)",
        "percentage": "80.75"
      }
    ]
  },
  "credits_used": 5,
  "credits_remaining": null
}